In situ fabrication of 1D CdS nanorod/2D Ti3C2 MXene nanosheet Schottky heterojunction toward enhanced photocatalytic hydrogen evolution - Details

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Abstract：

Benefiting　from　excellent　metallic　conductivity,　full-spectrum　solar　energy　absorption　and　rich　active　sites　on　the　surface,　atomically　thin　two-dimensional　transition　metal　carbide　(2D　MXene)　shows　great　promise　in　improving　solar-to-hydrogen　efficiency　and　has　drawn　intense　interest　in　the　field　of　photocatalysis.　However,　controllable　construction　of　ultrathin　2D　MXene-based　heterojunction　photocatalysts　still　remains　a　significant　challenge.　Herein,　one-dimensional　(1D)　CdS　nanorod/2D　MXene　nanosheet　heterojunctions　with　well-defined　nanostructures　and　strong　interfacial　coupling　are　fabricated　by　in　situ　assembling　solvothermally-generated　CdS　nanorods　on　ultrathin　Ti3C2　MXene　nanosheets.　Due　to　their　specific　interface　characteristics,　1D/2D　Schottky　heterojunction　is　capable　of　providing　accelerated　charge　separation　and　a　lower　Schottky　barrier　for　solar-driven　hydrogen　evolution　from　water　splitting.　As　expected,　the　Schottky-based　photocatalyst　is　7-fold　more　active　in　the　illuminated　hydrogen　evolution　reaction　(HER)　than　pristine　CdS　nanorods,　implying　the　synergistic　effects　between　n-type　semiconductor　CdS　and　highly　conductive　2D　Ti3C2　MXene　nanosheets.　©　2019　Elsevier　B.V.

Keyword：

CdS; MXene; Photocatalytic hydrogen evolution; Schottky heterojunction

Community：

[ 1 ] [Xiao, R.]School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China
[ 2 ] [Zhao, C.]College of Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University, Nanjing, 210037, China
[ 3 ] [Zou, Z.]State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, China
[ 4 ] [Chen, Z.]Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich, 8093, Switzerland
[ 5 ] [Tian, L.]School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China
[ 6 ] [Xu, H.]School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China
[ 7 ] [Tang, H.]School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China
[ 8 ] [Liu, Q.]School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China
[ 9 ] [Lin, Z.]Testing Center, Yangzhou University, Yangzhou, 225009, China
[ 10 ] [Yang, X.]School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China
[ 11 ] [Yang, X.]College of Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University, Nanjing, 210037, China
[ 12 ] [Yang, X.]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350116, China
[ 13 ] [Yang, X.]Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin, 150025, China

Reprint 's Address：

[Liu, Q.]School of Materials Science and Engineering, Jiangsu UniversityChina

Email：

qqliu@ujs.edu.cn

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Source ：

Applied Catalysis B: Environmental

ISSN： 0926-3373

Year： 2020

Volume： 268

1 9 . 5 0 3

JCR@2020

2 0 . 3 0 0

JCR@2023

ESI HC Threshold：160

JCR Journal Grade：1

CAS Journal Grade：1

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WoS CC Cited Count：

SCOPUS Cited Count： 463

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 0

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